CVE-2023-2430
Advisory lineage Upstream: 0 Downstream: 9
Modified
Published: 23 Jul 2023, 00:00
Last modified:06 Mar 2025, 21:37
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.5 MEDIUM
v3.1 (cve.org)
EPSS Score
0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
23 Jul 2023, 00:00
Published
Vulnerability first disclosed
06 Mar 2025, 21:37
Last Modified
Vulnerability information updated
Description
A vulnerability was found due to missing lock for IOPOLL flaw in io_cqring_event_overflow() in io_uring.c in Linux Kernel. This flaw allows a local attacker with user privilege to trigger a Denial of Service threat.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.01%• Percentile: 2%
Techniques & Countermeasures
- CWE-413•Improper Resource Locking
The product does not lock or does not correctly lock a resource when the product must have exclusive access to the resource.
- CWE-667•Improper Locking
The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.
Affected Systems
- linux•linux_kernel
< 6.2 | 6.2 | 6.2:rc1 | 6.2:rc2 | 6.2:rc3 | 6.2:rc4